Dockerfile

FROM gradle:8.5-jdk17 AS build

WORKDIR /app

COPY gradle gradle
COPY gradlew build.gradle settings.gradle ./
RUN chmod +x gradlew

RUN ./gradlew dependencies --no-daemon || return 0

COPY . .

RUN ./gradlew build -x test --no-daemon

FROM openjdk:17-jdk-slim

RUN groupadd -r sayup && useradd -r -g sayup sayup

RUN apt-get update && \
    apt-get install -y curl && \
    apt-get clean && \
    rm -rf /var/lib/apt/lists/*

WORKDIR /app

COPY --from=build /app/build/libs/*.jar app.jar

RUN mkdir -p /app/logs /app/tmp/file/userVoice && \
    chown -R sayup:sayup /app

USER sayup

ENV JAVA_OPTS="-Xms512m -Xmx1024m -XX:+UseG1GC -XX:+UseContainerSupport -XX:MaxRAMPercentage=75.0 -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=/app/logs"

HEALTHCHECK --interval=30s --timeout=3s --start-period=60s --retries=3 \
    CMD curl -f http://localhost:8080/actuator/health || exit 1

EXPOSE 8080

ENTRYPOINT exec java $JAVA_OPTS -jar app.jar